Tolong jawab 23_30. .

[tex]23.luas \: segitiga \: = \: a \times t \div 2 \\ = 32 \times 24 \div 2 \\ = 384cm2 \\ 24.luas \: setengah \: lingkaran \: =1per 2 \times \pi \times r \times \\ r \: = 1per2 \times 22per7 \times 3.5 \times 3.5 = 19.25cm2 \\ [/tex]
semoga membantu

23.luas segitiga=1/2×a×t
=1/2×32×24
=1/2×768=384cmpersegi